﻿package com.shangda.dao;

import com.shangda.entity.Sewage;

public interface SewageDao {
	
	public boolean isExist(int sewageId) throws Exception;
	
	public void insertSewage(int sewageId) throws Exception;
	
	public Sewage findById(int sewageId) throws Exception;
	
	public boolean updateRunTime(int sewageId,int ... times) throws Exception;

}
